Operation Manual

43
Key Lock
When this feature is turned on, all buttons except for will be
locked and will not function. You can use for answering
incoming or intercom calls. When you complete the call and
hang up, the telephone returns to lock mode. This lock feature is
useful to avoid pressing buttons by mistake.
Switch lock On: Press
until the icon and ‘HS LOCKED’
appear in the LCD display
Switch lock Off: Press until the icon disappears in the LCD
display
USING THE TELEPHONE